acetylene
/ə'setili:n/
Definition
- Noun:
- A colorless, flammable gas used primarily in welding and in organic synthesis: Acetylene is a hydrocarbon gas with the chemical formula C₂H₂. It burns with a very hot flame, making it valuable for welding and cutting metals. It is also an important starting material in the chemical industry for producing various organic compounds.
Examples of Usage
- Noun:
- The welder used acetylene and oxygen to cut through the steel plate.
- Acetylene is a key feedstock in the synthesis of plastics and solvents.
Advanced Usage
"Acetylene torch": A tool that mixes acetylene with oxygen to produce a very hot flame for welding or cutting metal.
- The mechanic repaired the exhaust pipe using an acetylene torch.
"Acetylene black": A type of carbon black produced by the thermal decomposition of acetylene, used in batteries and rubber products.
- Acetylene black is valued for its high electrical conductivity.
Variants and Related Words
- Alkyne (n): The class of unsaturated hydrocarbons to which acetylene belongs, characterized by one or more carbon-carbon triple bonds.
- Acetylene is the simplest alkyne.
Synonyms
- Ethyne: The systematic IUPAC name for acetylene.
- Welding gas: A general term that can refer to acetylene when used in that context.
Related Phrases
- Dissolved acetylene: Acetylene gas stored under pressure in a cylinder dissolved in acetone or another solvent for safety, as it is unstable under pure compression.
- For transport, acetylene is typically stored as dissolved acetylene in specialized cylinders.
Noun
-
a colorless flammable gas used chiefly in welding and in organic synthesis
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